11116625447 has 4 divisors (see below), whose sum is σ = 11117379000. Its totient is φ = 11115871896.

The previous prime is 11116625437. The next prime is 11116625459. The reversal of 11116625447 is 74452661111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74452661111 = 1907 ⋅39041773.

It is a cyclic number.

It is not a de Polignac number, because 11116625447 - 2¹⁶ = 11116559911 is a prime.

It is a super-2 number, since 2×11116625447² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11116625447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11116625407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354197 + ... + 384302.

It is an arithmetic number, because the mean of its divisors is an integer number (2779344750).

Almost surely, 2^11116625447 is an apocalyptic number.

11116625447 is a deficient number, since it is larger than the sum of its proper divisors (753553).

11116625447 is an equidigital number, since it uses as much as digits as its factorization.

11116625447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753552.

The product of its digits is 40320, while the sum is 38.

The spelling of 11116625447 in words is "eleven billion, one hundred sixteen million, six hundred twenty-five thousand, four hundred forty-seven".